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  <title>load_rails_gem (Rails::GemBoot)</title>
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  <pre><span class="ruby-comment cmt"># File config/boot.rb, line 57</span>
    <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">load_rails_gem</span>
      <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">version</span> = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">class</span>.<span class="ruby-identifier">gem_version</span>
        <span class="ruby-identifier">gem</span> <span class="ruby-value str">'rails'</span>, <span class="ruby-identifier">version</span>
      <span class="ruby-keyword kw">else</span>
        <span class="ruby-identifier">gem</span> <span class="ruby-value str">'rails'</span>
      <span class="ruby-keyword kw">end</span>
    <span class="ruby-keyword kw">rescue</span> <span class="ruby-constant">Gem</span><span class="ruby-operator">::</span><span class="ruby-constant">LoadError</span> =<span class="ruby-operator">&gt;</span> <span class="ruby-identifier">load_error</span>
      <span class="ruby-identifier">$stderr</span>.<span class="ruby-identifier">puts</span> <span class="ruby-node">%(Missing the Rails #{version} gem. Please `gem install -v=#{version} rails`, update your RAILS_GEM_VERSION setting in config/environment.rb for the Rails version you do have installed, or comment out RAILS_GEM_VERSION to use the latest version installed.)</span>
      <span class="ruby-identifier">exit</span> <span class="ruby-value">1</span>
    <span class="ruby-keyword kw">end</span></pre>
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